Despite the fact that Jimmy Garoppolo’s broken foot in Week 13 was initially thought to be season-ending, speculation has swirled in recent weeks that the San Francisco 49ers might have their quarterback available once again during the postseason. If that’s going to be the case, the 49ers will have to beat the Philadelphia Eagles on Sunday. 49ers head coach Kyle Shanahan told reporters Wednesday that Garoppolo is not expected to be available for the team’s NFC Championship showdown with the Eagles. Rookie Brock Purdy will start behind center. While reports have indicated that Purdy, the seventh-round draft pick who replaced…